public void TestAddUniqueIdentifier()
 {
     var test = new Header();
     test.AddUniqueIdentifier(new Dictionary<string, string>(){{"foo", "bar"}});
     var result = test.AsJson();
     Assert.AreEqual("{\"unique_args\" : {\"foo\" : \"bar\"}}", result);
 }
 public void AddUniqueIdentifiers(IDictionary <String, String> identifiers)
 {
     Header.AddUniqueIdentifier(identifiers);
 }